Sock



FIG. 1 is a perspective view of a sock according to my invention;

FIG. 2 is a top view thereof;

FIG. 3 is a rear view thereof;

FIG. 4 is a front elevational view thereof;

FIG. 5 is a bottom plan view thereof;

FIG. 6 is a side view thereof; and,

FIG. 7 is an opposite side view thereof.

In the drawings, solid black surface shading is used to represent color contrast. 

The ornamental design for a sock, as shown and described. 